排泥机械是在自来水厂和污水处理厂中，配合沉淀池使用的，它是重要的专用设备。
Sludge is the mechanical water plant and sewage treatment plants, with the use of the sedimentation tank, it is important and special equipment.
大型污水处理厂中初次沉淀池池型选择是重要的。
It is important to select the type of primary sedimentation tank in the design of large wastewater treatment plants.
该工艺在传统的化学混凝的基础上将沉淀池内的污泥回流至化学生物絮凝池，利用化学混凝和污泥吸附的协同作用去除污水中的污染物。
The cycle sludge was pumped to chemical biological flocculation tank and the pollutants were removed by co-operation of chemical coagulation and biological adsorption.
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